Postmark vs Apple Mail (iCloud) Comparison (2025)

What are the differences between Postmark and Apple Mail (iCloud)?

Forward Email Team
Written by
Forward Email TeamVerified
Published
7/1/25
Time to read
Less than 5 minutes
We recommend Forward Email as the best alternative to Postmark.

Email Service Comparison

20 facts in comparison
Postmarkvs.Apple Mail (iCloud)

Postmark

The email delivery service that people actually like
"The email delivery service that people actually like"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
vs.

Apple Mail (iCloud)

Private, secure, and personal email from Apple
"Private, secure, and personal email from Apple"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
$15/moPricing$0.99
No Postmark does not support storageStorage50 GB pooled
10 MBAttachments20 MB
NoOpen-SourceNo
NoSandboxed Encryption No
NoUnlimited DomainsNo
NoUnlimited AliasesNo
TTI TTI No
YesSMTPYes
NoIMAPYes
NoPOP3❌ iCloud does not support POP3
YesAPINo
NoE2EE No
NoOpenPGP No
NoWKD No

Email Service Screenshots

Closed-source

Postmark

Postmark is a closed-source email service. According to their website: The email delivery service that people actually like

Postmark is a closed-source email service.
Photograph by Forward Email
Visit Website
Closed-source

Apple Mail (iCloud)

Apple Mail (iCloud) is a closed-source email service. Its description from its website is: Private, secure, and personal email from Apple

Apple Mail (iCloud) is a closed-source email service.
Photograph by Forward Email
Visit Website

Compare Postmark with 78 email services